{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:HKBPTCTNBL3R3HJ7P4POAZLSWY","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"3c97800ba6932c7bde9bdd207514a18957fdefd2dc0e749ab1c0cc8a9a016c89","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-05-08T14:11:24Z","title_canon_sha256":"6a2d91dbbfea5823779c6b2e28cec8e282638e745197ad6c91f6acc7a65d572c"},"schema_version":"1.0","source":{"id":"1205.1708","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.1708","created_at":"2026-05-18T03:56:09Z"},{"alias_kind":"arxiv_version","alias_value":"1205.1708v1","created_at":"2026-05-18T03:56:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.1708","created_at":"2026-05-18T03:56:09Z"},{"alias_kind":"pith_short_12","alias_value":"HKBPTCTNBL3R","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"HKBPTCTNBL3R3HJ7","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"HKBPTCTN","created_at":"2026-05-18T12:27:09Z"}],"graph_snapshots":[{"event_id":"sha256:f9c961ced1618125be6273fdb7a00a191f25bcbad26f8656dc96271302e91fd8","target":"graph","created_at":"2026-05-18T03:56:09Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We introduce a new implementation of hybridization expansion continuous time quantum impurity solver which is relevant to dynamical mean-field theory. It employs Newton interpolation at a sequence of real Leja points to compute the time evolution of the local Hamiltonian efficiently. Since the new algorithm avoids not only computationally expansive matrix-matrix multiplications in conventional implementations but also huge memory consumptions required by Lanczos/Arnoldi iterations in recently developed Krylov subspace approach, it becomes advantageous over the previous algorithms for quantum i","authors_text":"Li Huang, Xi Dai","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-05-08T14:11:24Z","title":"New implementation of hybridization expansion quantum impurity solver based on Newton-Leja interpolation polynomial"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.1708","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:8b2e35d5f8a6aa663ba819995c45855558eb6a9f6933da6e868854b86605d2c0","target":"record","created_at":"2026-05-18T03:56:09Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"3c97800ba6932c7bde9bdd207514a18957fdefd2dc0e749ab1c0cc8a9a016c89","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-05-08T14:11:24Z","title_canon_sha256":"6a2d91dbbfea5823779c6b2e28cec8e282638e745197ad6c91f6acc7a65d572c"},"schema_version":"1.0","source":{"id":"1205.1708","kind":"arxiv","version":1}},"canonical_sha256":"3a82f98a6d0af71d9d3f7f1ee06572b604f68a0c262e7661e690686a25068d20","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3a82f98a6d0af71d9d3f7f1ee06572b604f68a0c262e7661e690686a25068d20","first_computed_at":"2026-05-18T03:56:09.333234Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:56:09.333234Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7R+jc/+s4Gef9Ow7P9LnMqRh6SqzFkoXTyO4+IhVBlIIFma3mnDL/iasRhF+5F7n2tLKNUMrdm2vG78ffMUbAg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:56:09.333933Z","signed_message":"canonical_sha256_bytes"},"source_id":"1205.1708","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8b2e35d5f8a6aa663ba819995c45855558eb6a9f6933da6e868854b86605d2c0","sha256:f9c961ced1618125be6273fdb7a00a191f25bcbad26f8656dc96271302e91fd8"],"state_sha256":"d32ae0145a56e86a7b21731be30b3ee3a5a09e08448aad04442469aaad5420a8"}